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  1. <?php
  2. $hashtag = "#caio #azul #caio #azul #leão #orelha #caio  #caio  #caio";
  3. //
  4. $hashtagArray = explode(" ", $hashtag);
  5.  
  6. $hashtagArray = array_filter($hashtagArray);
  7.  
  8. $hashtagArray = array_unique($hashtagArray);
  9.  
  10. print_r($hashtagArray);
Success #stdin #stdout 0.02s 23844KB
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stdin
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Standard input is empty
stdout
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Array
(
    [0] => #caio
    [1] => #azul
    [4] => #leão
    [5] => #orelha
)
https://ideone.com/A0rz8w
language:
PHP (php 7.3.5)
created:
5 years ago
visibility:
public

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